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UTAMADUNI NA HISTORIA
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SAYANSI
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TEKNOLOJIA
VAZI
Aspirator: a Vessel of Water with a Tap at the Bottom (Sutton, 1904)
The simplest aspirator: a closed vessel of known volume, full of water, with a tap at the bottom. As the water runs out it draws gas in through the apparatus attached to it, and the volume of water run out is the volume of gas drawn through.
Result: an aspirator that draws a measured volume of gas, for example 1/10 cubic foot, through an absorber at a steady rate.
Source: F. Sutton, A Systematic Handbook of Volumetric Analysis (1904), pp. 581-582. Unknown: the vessel's material and the tap. Picture: p. 581 of the book.
Mwanzo
Unknown
Maagizo
1
1
Fit the vessel
Fit the vessel
Take a vessel of known volume, for example exactly 1/10 cubic foot, and fix a tap at its bottom. Close its mouth tightly with a cork carrying a glass tube, which connects to the absorber the gas is to pass through. Ours: a large clear glass bottle. Not given: the vessel's material, the tap.
Vifaa kwa hatua hii:
Chupa ya kioo (wazi)1 aspirator vessel
Vali isiyojulikana1 bottom tap
Vizibo vya mzibo1 stopper
Mrija wa kioo1 inlet tubeZana zinazohitajika:
Kichomeo cha mezani cha kupuliza kioo
Vipimo visivyojulikana2
2
Set the flow and draw the gas
Set the flow and draw the gas
Fill the vessel with water, connect the absorber, check that everything is tight, and open the tap partly: the small outflow of water draws the gas through the absorber. For an even rate, fit about a yard of tubing to the outlet, for a steady head, ending in a fine jet tried beforehand to give the time wanted; used reversed, the jet clogs less. When the vessel is empty the gas stops, and the water run out measures the gas passed. Collect and measure the water if the vessel is not of fixed volume.
Vifaa kwa hatua hii:
Bomba la Mpira1 outlet tubingMrija wa kioo1 jetZana zinazohitajika:
Silinda yenye vipimoVifaa
5- 1 aspirator vesselKishikilia Nafasi
- 1 bottom tapKishikilia Nafasi
- 1 stopperKishikilia Nafasi
- 1 jetKishikilia Nafasi
- 1 outlet tubingKishikilia Nafasi
Zana Zinazohitajika
3- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
Vifaa vya Michoro Iliyounganishwa
Usambazaji 10%
Blowing a Glass Bottle by Hand — Free-Blown Vessel Shaping
na Forge
Utengenezaji wa vioo
68
0
0
0
5
0
Usambazaji 10%
Natural Cork Stoppers from Bark
na Woody
Utengenezaji mbao
44
0
0
0
3
0
Usambazaji 10%
Glass Tube: Drawn by Two Glassmakers Walking Apart (Pellatt, 1849)
na Charlie
Isiyo hai
6
0
0
0
2
0
Usambazaji 10%
Natural Rubber Tubing, Bands and Sheet: Sulfur-Cured with Heat
na Mary
Kemia
16
0
0
0
2
0
Mchoro huu unatengeneza
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